Orca has established a reputation introducing revolutionary fabrics and garment construction preferred by world champions and Olympic gold medalists. Orca Killa Compression garments can be worn by people of all athletic levels. These Orca Compression Core 1/2 Tight shorts have been constructed with the correct body contoured panelling. Garments with graduated compression offer benefits such as improved circulation and oxygenation of the blood; reduced post-exercise muscle soreness and faster muscle recovery; reduction of muscle oscillation and fatigue; faster removal of lactic acid, with increased muscle endurance, strength and power; and improved body temperature control. They are made out of 72% nylon and 28%lycra and are machine washable. UPF50+ in the fabric provides protection from elements. Perfect for running, high performance exercise, gym workouts, and training! These shorts use Orca?s high stretch, circular knit Killaskn Kompress fabric to ensure active muscle compression during exercise, and help with muscle recovery. They come styled with an elasticated waist for comfort, that features contrast grey Orca and Killa Kompression branding going all around it. Also features contrast fuschia flat lock stitching going down the middle of both legs on the front and back for comfort, a contrast large silver reflective Orca logo printed down the side of the left leg, and a reflective silver and white Killa Kompression logo printed across the bottom of the right leg for visibility on low light conditions.